“A study from J&J in September [2021] showed that after a second dose, the J&J vaccine was about 91% effective, nearly matching the efficacy of the Pfizer and Moderna shots after two doses.”
“A study from J&J in September [2021] showed that after a second dose, the J&J vaccine was about 91% effective, nearly matching the efficacy of the Pfizer and Moderna shots after two doses.”